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1 <!DOCTYPE html> | |
2 <script> | |
3 window.onload = function() | |
4 { | |
5 if (!window.testRunner || !window.internals) | |
6 return; | |
7 | |
8 testRunner.dumpAsText(); | |
9 document.body.offsetTop; | |
10 internals.startTrackingRepaints(document); | |
11 | |
12 document.getElementById('a').style.top = '400px'; | |
13 document.getElementById('b').style.left = '400px'; | |
14 | |
15 document.body.offsetTop; | |
16 var layerTree = internals.layerTreeAsText(document, internals.LAYER_TREE_INC
LUDES_PAINT_INVALIDATIONS); | |
17 window.internals.stopTrackingRepaints(document); | |
18 document.getElementById('result').textContent = layerTree.indexOf('repaint')
== -1 ? 'SUCCESS' : 'FAIL'; | |
19 }; | |
20 </script> | |
21 | |
22 <style> | |
23 .fixed { | |
24 position: fixed; | |
25 top: 200px; | |
26 left: 200px; | |
27 width: 100px; | |
28 -webkit-backface-visibility: hidden; | |
29 } | |
30 </style> | |
31 | |
32 There should be no repaint when the divs are moved. | |
33 <div class="fixed" id="a">A</div> | |
34 <div class="fixed" id="b">B</div> | |
35 <pre id="result"></pre> | |
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